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228863330 = 2533169143
BaseRepresentation
bin11011010010000…
…10110101100010
3120221122110110122
431221002311202
5432042111310
634413200242
75446210013
oct1551026542
9527573418
10228863330
11108207453
1264790082
1338551ab7
142257700a
151515b555
hexda42d62

228863330 has 16 divisors (see below), whose sum is σ = 413204544. Its totient is φ = 91267440.

The previous prime is 228863269. The next prime is 228863347. The reversal of 228863330 is 33368822.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31262 + ... + 37881.

It is an arithmetic number, because the mean of its divisors is an integer number (25825284).

Almost surely, 2228863330 is an apocalyptic number.

228863330 is a deficient number, since it is larger than the sum of its proper divisors (184341214).

228863330 is a wasteful number, since it uses less digits than its factorization.

228863330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69481.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 228863330 is about 15128.2295725574. The cubic root of 228863330 is about 611.6815824761.

The spelling of 228863330 in words is "two hundred twenty-eight million, eight hundred sixty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 331 662 1655 3310 69143 138286 345715 691430 22886333 45772666 114431665 228863330